More than a decade’s effort led up to the D.C. Council’s final approval to publicly fund a new D.C. United stadium. For one co-owner of the club, Jason Levien, his joyous reaction felt like a movie moment.

More than 15 months after plans for a new soccer stadium at D.C.’s Buzzard Point came out, a study says it would definitely spark new economic growth. But it would also be the most expensive Major League Soccer stadium in history, and the proposal as it stands may short-change the District, according to a new study commissioned by the D.C. Council.